20 : 10 : 39 : 12 . Calibration certificates. The service provider performing the tests and measurements shall maintain certificates from the manufacturer or the calibration laboratory that demonstrate compliance with the calibration requirements.

Source: 42 SDR 174 , effective June 21, 2016 .

General Authority: SDCL 49 - 47 - 2.

Law Implemented: SDCL 49-47-2 , 49 - 47 - 3 .